pihl - furesø
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ETS Field Days 2015 - Copenhagen - PresentationsTRANSCRIPT
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Fertilization in practise
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Fertilization in practise
• Thomas Pihl
• Course manager
• Furesø GolfClub
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Fertilization in practise
• Inside view, of a greenkeepers thoughts,
on fertilization in practice, who is trying to
maintain the golf course in a sustainable way.
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Fertilization in practise
The overall goal is to keepthe grass alive, stress- and disease free, with a minimum of growth and still deliver at good playingsurface.
Any growth?
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Fertilization in practise
The toolbox• Irrigation
• Fertilization
• Mechanical treatment
• Pesticides
• Biostimulants
• Etc.
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Fertilization in practise
No Pesticides = No safety net = Consequence
• Getting the right balance
• Soil test – Plant tissue test – Greenkeeper experience
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Fertilization in practise
• Relative rates of nutrients in an optimal fertilizer(A)
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Fertilization in practise
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Fertilization in practise
Our choice
• The simple way
• Early application of Lawn sand (N-Fe) (green up/moss)
• Granular NK + Mg + micro-nutrients
• Tank mixing with sulphate fertilizers
• Normal year – ¾ of fertilizer applied before mid-june
• Iron sulphate is used more than recommendations
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Fertilization in practise
• Relative rates of nutrients in an optimal fertilizer(A)
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Fertilization in practise
Furesø Golfklub 2016
N Kg/ha P Kg/ha % K kg/ha %
Driving range 6,45 kg 1,72 kg/ha 0,00 kg. 0,00 kg/ha 0,00 % af N 0,00 kg. 0,00 kg/ha 0,00 % af N
Fairway, sløjfe 1 299,00 kg 68,26 kg/ha 25,56 kg 5,76 kg/ha 8,55 % af N 99,32 kg 22,67 kg/ha 33,22 % af N
Fairway, sløjfe 2 258,05 kg 59,17 kg/ha 25,56 kg 101,84 kg
Fairway, sløjfe 3 264,66 kg 71,56 kg/ha 22,08 kg 106,68 kg
Fairway, sløjfe 4 6,30 kg 7,09 kg/ha 0,00 kg. 0,00 kg.
Forgreens, sløjfe 1 49,38 kg 76,33 kg/ha 3,06 kg 34,82 kg
Forgreens, sløjfe 2 61,34 kg 4,42 kg 39,88 kg
Forgreens, sløjfe 3 118,70 kg 8,90 kg 77,82 kg
Greens, sløjfe 1 50,75 kg 126,12 kg/ha 1,51 kg 41,34 kg
Greens, sløjfe 2 52,78 kg 110,10 kg/ha 1,91 kg 3,98 kg/ha 41,80 kg
Greens, sløjfe 3 32,22 kg 77,55 kg/ha 0,00 kg. 28,15 kg
Greens, sløjfe 4 3,75 kg 39,10 kg/ha 500 g 2,00 kg
Semirough, sløjfe 1 92,75 kg 8,74 kg 37,50 kg
Semirough, sløjfe 2 152,31 kg 21,72 kg 97,37 kg
Semirough, sløjfe 3 212,16 kg 34,86 kg/ha 54,08 kg 135,39 kg
Teesteder, sløjfe 1 40,61 kg 2,09 kg 20,16 kg
Teesteder, sløjfe 2 31,13 kg 1,79 kg 20,27 kg
Teesteder, sløjfe 3 38,57 kg 146,71 kg/ha 1,70 kg 6,47 kg/ha 4,41 % af N 19,95 kg 75,88 kg/ha 51,72 % af N
Total 1,77 T 183,62 kg 904,28 kg
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Fertilization in practise
Choice of fertilizier as a tool for:
• Controling your choice of grass – Poa control
• Disease controle – Acidifying fertilizers
• Weed controle – Acidifying fertilizers and growth
• Playing quality – Stiffness – (colour)
• Wear and stress
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Fertilization in practise
Input of N – on greens
Greens Hestkøbgård Farum Parkvej
2009 79,7 37,8 58,4 N/ha
2010 88,9 68,1 50,8 N/ha
2011 100,6 60,8 31,3 N/ha
2012 100,5 100,5 73,9 N/ha
2013 88,6 78,5 75,9 N/ha
2014 126,1 110,1 77,5 N/ha
Average 97,4 76,0 61,3 N/ha
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Fertilization in practise
Before
• Only granular
• Hardly any applicationon fairways
Now
• Combination of liquidand granular fertilizer
• More to control weedand to build up at small thatch layer
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New products to controldiseases
• A salsmans tricks..
• Or something we can use??
• Our experiences
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Fertilization in practise
Some observations
• Potassium Phoshite• Positive on Poa – Agrostis
• Opposite on Fescue
• Decreasing root´s on Fescue
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Fertilization in practise
Some observations
• Silicium product• Only used this season
• Hardens the plants
• Still dollar spot
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Fertilization in practise
• Thanks
• Look forward to see you all tomorrow